Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.
1. A method performed by a wireless device for determining channel state measurements in a wireless communications network, the method comprising: obtaining at least two channel state measurements performed by the wireless device on measurement resources allocated for the at least two channel state measurements where at least one of the obtained at least two channel state measurements is a channel state measurement for channel estimation, and at least one of the obtained at least two channel state measurements is a channel state measurement for interference estimation; receiving information indicating how the wireless device is to combine the obtained at least two channel state measurements into at least one combined channel state measurement where the received information indicates pre-coders and probability distributions for each of the at least one of the obtained at least two channel state measurements that is the channel state measurement for interference estimation; and calculating the at least one combined channel state measurement based on the received information and the obtained at least two channel state measurements, wherein the at least one combined channel state measurement is calculated by using the obtained at least two channel state measurements as input.
In wireless communications networks, accurately estimating channel conditions is critical for optimizing data transmission. A wireless device may need to assess both the direct communication channel (channel estimation) and interfering signals (interference estimation) to improve performance. However, combining these measurements effectively remains challenging, as interference patterns and channel conditions can vary dynamically. This invention describes a method for a wireless device to determine combined channel state measurements by processing multiple individual measurements. The device first obtains at least two channel state measurements, where at least one is for channel estimation and at least one is for interference estimation. These measurements are performed on allocated measurement resources. The device then receives configuration information specifying how to combine these measurements, including pre-coders and probability distributions for the interference-related measurements. Using this information, the device calculates a combined channel state measurement by integrating the individual measurements as inputs. This approach enhances accuracy by accounting for both channel and interference characteristics, improving overall communication reliability. The method ensures flexibility by allowing dynamic adjustment of the combination process based on network conditions.
2. The method according to claim 1 , further comprising: determining one or more channel state measurement reports based on the at least one combined channel state measurement; and transmitting the determined one or more channel state measurement reports in the wireless communications network.
In wireless communications, accurately measuring and reporting channel state information (CSI) is critical for optimizing data transmission and reception. However, traditional methods often rely on separate measurements for different channels, leading to inefficiencies and potential inaccuracies. This invention addresses these issues by combining channel state measurements from multiple channels into a unified measurement. The combined measurement is then used to determine one or more channel state measurement reports, which are transmitted within the wireless network. This approach improves the accuracy and efficiency of CSI reporting, enabling better resource allocation and performance in wireless communications. The method ensures that the combined measurement reflects the true state of the channels, reducing overhead and improving overall system reliability. By integrating multiple measurements into a single report, the invention simplifies the reporting process while maintaining high precision, making it particularly useful in complex wireless environments with multiple channels and varying conditions.
3. The method according to claim 1 , wherein the at least one combined channel state measurement is the channel state measurement for interference estimation.
A method for wireless communication systems addresses the challenge of accurately estimating interference in multi-channel environments. The method involves measuring channel states across multiple channels to assess interference levels, improving signal quality and reliability in wireless networks. By combining channel state measurements, the technique provides a more precise estimation of interference, which is critical for optimizing signal transmission and reception in dense or congested wireless environments. The method can be applied in various wireless communication standards, including 5G and beyond, where interference management is essential for maintaining high data rates and low latency. The combined channel state measurements are specifically used for interference estimation, enabling adaptive modulation and coding schemes to mitigate the effects of interference and enhance overall system performance. This approach helps wireless devices and base stations dynamically adjust their transmission parameters to avoid interference, leading to more efficient spectrum utilization and improved user experience. The technique is particularly useful in scenarios with high user density or when multiple wireless networks operate in close proximity, where interference can significantly degrade communication quality.
4. The method according to claim 1 , wherein the measurement resources allocated to the at least one of the obtained at least two channel state measurements that is the channel state measurement for channel estimation are Channel State Information-Reference Symbol, CSI-RS, resources in the wireless communications network, and the measurement resources allocated to the at least one of the obtained at least two channel state measurements that is the channel state measurement for interference estimation are Channel State Information-Interference Measurement, CSI-IM, resources in the wireless communications network.
This invention relates to wireless communications, specifically improving channel state measurements for accurate channel and interference estimation. In wireless networks, precise channel state information (CSI) is critical for efficient data transmission, but existing methods often struggle to distinguish between the desired signal and interference. The invention addresses this by allocating different measurement resources for channel estimation and interference estimation. For channel estimation, the system uses Channel State Information-Reference Symbol (CSI-RS) resources, which are reference signals specifically designed to measure the propagation characteristics of the desired signal. For interference estimation, the system uses Channel State Information-Interference Measurement (CSI-IM) resources, which are dedicated resources designed to measure interference without the desired signal. By separating these measurements, the system can more accurately estimate both the channel conditions and the interference levels, leading to improved signal quality and network performance. The invention ensures that the measurements are obtained independently, allowing for more reliable and precise CSI feedback, which is essential for advanced techniques like beamforming and precoding in modern wireless networks.
5. The method according to claim 1 , wherein the obtained at least two channel state measurements are part of a same channel state measurement process.
A system and method for wireless communication involves obtaining at least two channel state measurements from a wireless channel, where these measurements are part of the same channel state measurement process. The measurements are used to determine a channel state, which is then utilized to optimize communication parameters such as modulation, coding, or beamforming. The method may involve processing the measurements to reduce noise or interference, improving the accuracy of the channel state determination. The system may include a transmitter and receiver that exchange signals to facilitate the measurement process, ensuring synchronization and consistency in the obtained data. The approach enhances communication reliability and efficiency by leveraging multiple measurements from a single process to refine channel state estimation, addressing challenges in dynamic wireless environments where channel conditions fluctuate rapidly. This technique is particularly useful in high-mobility scenarios or dense network deployments where accurate channel state information is critical for maintaining performance.
6. The method according to claim 5 , wherein the same channel state measurement process is a Coordinated Multi-Point, CoMP, process.
This invention relates to wireless communication systems, specifically improving channel state measurements in Coordinated Multi-Point (CoMP) transmission schemes. CoMP is a technique where multiple base stations or transmission points coordinate to serve a single user equipment (UE), enhancing signal quality and throughput. A key challenge in CoMP is accurately measuring the channel state between the UE and multiple transmission points to enable effective coordination. The invention describes a method where the same channel state measurement process is used for CoMP transmissions. This involves measuring the channel state between the UE and multiple transmission points simultaneously or in a coordinated manner, rather than relying on separate measurements for each transmission point. By using a unified measurement process, the method reduces complexity and overhead in the system while ensuring accurate channel state information is available for CoMP coordination. This approach improves efficiency in resource allocation and beamforming decisions, leading to better performance in multi-cell environments. The technique is particularly useful in advanced wireless networks like 5G and beyond, where CoMP is widely deployed to mitigate interference and enhance coverage.
7. The method according to claim 5 , wherein the same channel state measurement process is a process for performing a joint precoding decision.
A method for wireless communication systems addresses the challenge of efficiently managing channel state information (CSI) in multi-user environments. The method involves performing a joint precoding decision based on channel state measurements to optimize data transmission. The process includes measuring channel states for multiple users and using these measurements to determine a precoding scheme that maximizes throughput or minimizes interference. The joint precoding decision considers the channel conditions of all users simultaneously, allowing for coordinated beamforming or spatial multiplexing. This approach improves spectral efficiency and reduces signal interference, particularly in scenarios with multiple antennas and users. The method may be applied in systems such as MIMO (Multiple-Input Multiple-Output) or massive MIMO, where precise channel state knowledge is critical for performance. By leveraging joint precoding, the system dynamically adapts to changing channel conditions, enhancing overall communication reliability and data rates. The technique is particularly useful in high-density wireless networks where interference management is essential for maintaining quality of service.
8. The method according to claim 5 , wherein the same channel state measurement process is a process for beamforming.
This invention relates to wireless communication systems, specifically improving channel state measurements for beamforming. The problem addressed is the inefficiency and inaccuracy of traditional channel state measurement techniques, which can degrade performance in beamforming applications. Beamforming relies on precise channel state information to direct signals accurately, but existing methods often require redundant measurements or lack real-time adaptability. The invention describes a method where the same channel state measurement process is used for beamforming. This means that instead of performing separate measurements for channel estimation and beamforming, a unified process is employed. The channel state measurement process involves determining the characteristics of the communication channel, such as signal strength, phase, and direction, which are then directly applied to adjust the beamforming parameters. This approach reduces computational overhead and improves efficiency by eliminating redundant steps. The method ensures that the beamforming process is optimized based on the most recent and accurate channel state data, enhancing signal quality and reliability. The invention is particularly useful in high-frequency or multi-user environments where precise beamforming is critical for maintaining communication performance.
9. A wireless device for determining channel state measurements in a wireless communications network, the wireless device is configured to: obtain at least two channel state measurements performed by the wireless device on measurement resources allocated for the at least two channel state measurements where at least one of the obtained at least two channel state measurements is a channel state measurement for channel estimation, and at least one of the obtained at least two channel state measurements is a channel state measurement for interference estimation, receive information indicating how the wireless device is to combine the obtained at least two channel state measurements into at least one combined channel state measurement where the received information indicates pre-coders and probability distributions for each of the at least one of the obtained at least two channel state measurements that is the channel state measurement for interference estimation, and calculate the at least one combined channel state measurement based on the received information and the obtained at least two channel state measurements, wherein the at least one combined channel state measurement is calculated by using the obtained at least two channel state measurements as input.
This invention relates to wireless communications, specifically improving channel state measurements in wireless networks. The problem addressed is accurately estimating both the channel conditions and interference levels to optimize data transmission. The solution involves a wireless device that obtains at least two channel state measurements: one for channel estimation and another for interference estimation. These measurements are performed on allocated measurement resources. The device receives configuration information specifying how to combine these measurements, including precoders and probability distributions for the interference-related measurements. Using this information, the device calculates a combined channel state measurement by processing the two original measurements as inputs. This approach enhances the reliability of channel state information by integrating both channel and interference data, improving communication performance in dynamic wireless environments. The method ensures accurate signal quality assessment by leveraging statistical distributions and precoding techniques for interference estimation, leading to better resource allocation and transmission efficiency.
10. The wireless device according to claim 9 , further configured to determine one or more channel state measurement reports based on the at least one combined channel state measurement, and transmit the determined one or more channel state measurement reports in the wireless communications network.
A wireless device in a communications network measures channel state information (CSI) to assess signal quality and interference conditions. The device combines multiple channel state measurements from different sources, such as multiple antennas or different time intervals, to improve accuracy and reliability. This combined measurement helps optimize data transmission by reducing errors and improving throughput. The device then generates one or more channel state measurement reports based on the combined data. These reports are transmitted to other network components, such as base stations or access points, to facilitate adaptive modulation, beamforming, or resource allocation. The reports may include metrics like signal strength, interference levels, or channel quality indicators (CQI). By providing more accurate and comprehensive channel state information, the device enhances network performance and efficiency. The solution addresses challenges in dynamic wireless environments where signal conditions vary due to mobility, obstacles, or interference. The combined measurement approach reduces the impact of transient fluctuations, ensuring more stable and reliable communications. The transmitted reports enable real-time adjustments in the network, improving overall data delivery and user experience.
11. The wireless device according to claim 9 , wherein the at least one combined channel state measurement is the channel state measurement for interference estimation.
A wireless device is configured to perform channel state measurements for interference estimation in a wireless communication system. The device includes a receiver that obtains a reference signal from a base station and a processor that generates at least one combined channel state measurement based on the reference signal. The combined measurement is derived from multiple individual measurements, which may be time-domain or frequency-domain measurements, and is used to estimate interference levels in the communication channel. The processor may apply filtering or averaging techniques to combine the measurements, improving accuracy and reliability. The device may also include a transmitter to send the combined measurement to the base station, enabling adaptive modulation and coding or other interference mitigation techniques. The system addresses the challenge of accurately estimating interference in dynamic wireless environments, where signal conditions vary due to mobility, multipath fading, or other factors. By combining multiple measurements, the device provides a more robust estimate of channel conditions, enhancing communication performance and reliability. The solution is particularly useful in advanced wireless systems such as 5G or beyond, where interference management is critical for maintaining high data rates and low latency.
12. The wireless device according to claim 9 , wherein the measurement resources allocated to the at least one of the obtained at least two channel state measurements that is the channel state measurement for channel estimation are Channel State Information-Reference Symbol, CSI-RS, resources in the wireless communications network, and the measurement resources allocated to the at least one of the obtained at least two channel state measurements that is the channel state measurement for interference estimation are Channel State Information-Interference Measurement, CSI-IM, resources in the wireless communications network.
In wireless communications, accurate channel and interference estimation is critical for optimizing data transmission and reception. A wireless device obtains at least two channel state measurements, where one measurement is used for channel estimation and another for interference estimation. The measurement resources allocated for channel estimation are Channel State Information-Reference Symbol (CSI-RS) resources, which are reference signals transmitted by the network to help the device assess the quality of the communication channel. The measurement resources allocated for interference estimation are Channel State Information-Interference Measurement (CSI-IM) resources, which are dedicated time-frequency resources where the network intentionally refrains from transmitting data, allowing the device to measure interference from neighboring cells or other sources. By using distinct resources for channel and interference estimation, the device can more accurately characterize both the desired signal path and the interference environment, improving overall communication performance. This approach enhances the reliability of channel state feedback, enabling better resource allocation and interference management in the network.
13. The wireless device according to claim 9 , wherein the obtained at least two channel state measurements are part of a same channel state measurement process.
A wireless device operates in a communication system where accurate channel state information (CSI) is critical for efficient data transmission. The device measures channel conditions to determine optimal transmission parameters, such as modulation and coding schemes. However, obtaining reliable CSI can be challenging due to dynamic wireless environments, interference, and hardware limitations. Existing methods may require multiple independent measurements, leading to increased overhead and latency. The wireless device includes a processor configured to obtain at least two channel state measurements during a single channel state measurement process. These measurements are used to estimate the channel state more accurately by leveraging multiple observations within the same process. The device may also include a transceiver for receiving reference signals and a memory for storing measurement results. The processor further processes the measurements to generate a refined channel state estimate, improving transmission reliability and efficiency. This approach reduces the need for repeated measurements, minimizing overhead and latency while enhancing performance in dynamic wireless environments. The solution is particularly useful in systems like 5G and beyond, where high data rates and low latency are essential.
14. The wireless device according to claim 9 , further comprising a processor and a memory, wherein the memory is containing instructions executable by the processor.
A wireless device is designed to enhance communication efficiency in wireless networks, particularly in scenarios where devices operate in dense or congested environments. The device includes a processor and a memory storing executable instructions. The processor executes these instructions to perform various functions, such as managing communication protocols, optimizing signal transmission, and reducing interference. The device may also include a transceiver for sending and receiving wireless signals, an antenna for signal transmission and reception, and a power management module to regulate power consumption. The memory stores data related to communication parameters, network configurations, and device settings, enabling the processor to dynamically adjust operations based on real-time conditions. The device may further include a user interface for configuration and monitoring, as well as a security module to protect data and communications. The overall system aims to improve reliability, reduce latency, and enhance energy efficiency in wireless communications.
15. A method performed by a network node for enabling a wireless device to determine channel state measurements in a wireless communications network, the method comprising: determining information indicating how to combine at least two channel state measurements into at least one combined channel state measurement in the wireless device, wherein the at least two channel state measurements are obtained by the wireless device on measurement resources allocated by the network node for the at least two channel state measurements, the at least two channel state measurements are used to calculate the at least one combined channel state measurement, and at least one of the at least two channel state measurements is a channel state measurement for channel estimation, and at least one of the at least two channel state measurements is a channel state measurement for interference estimation, wherein the determining comprises determining pre-coders and probability distributions for each of the at least one of the at least two channel state measurements that is the channel state measurement for interference estimation; and transmitting the determined information to the wireless device in the wireless communications network.
This technical summary describes a method for enabling a wireless device to determine channel state measurements in a wireless communications network. The method is performed by a network node and addresses the challenge of accurately estimating both channel conditions and interference levels in wireless communications. The network node determines how to combine at least two channel state measurements into a single combined measurement. These measurements are obtained by the wireless device on measurement resources allocated by the network node. The two measurements include one for channel estimation and another for interference estimation. The network node specifies pre-coders and probability distributions for the interference estimation measurement. This information is then transmitted to the wireless device, allowing it to accurately compute the combined channel state measurement. The method improves the reliability of channel state information by integrating both channel and interference measurements, enhancing communication performance in dynamic wireless environments. The solution is particularly useful in scenarios where interference varies significantly, ensuring more accurate and adaptive wireless transmissions.
16. The method according to claim 15 , further comprising: receiving one or more channel state measurement reports from the wireless device based on the at least one combined channel state measurement.
This invention relates to wireless communication systems, specifically improving channel state measurements in environments with multiple antennas or beams. The problem addressed is the inefficiency and inaccuracy of traditional channel state measurement techniques, which often fail to account for dynamic changes in wireless channels or interference patterns, leading to suboptimal data transmission and resource allocation. The invention provides a method for enhancing channel state measurements in wireless communication systems. It involves generating at least one combined channel state measurement by processing multiple individual channel state measurements. These measurements are obtained from a wireless device, which evaluates the quality of communication channels or beams between the device and a base station. The combined measurement integrates data from different time intervals, frequencies, or spatial directions to provide a more comprehensive assessment of channel conditions. Additionally, the method includes receiving one or more channel state measurement reports from the wireless device based on the combined measurement. These reports are used to optimize transmission parameters, such as modulation schemes, coding rates, or beamforming configurations, to improve data throughput and reliability. The combined measurement approach reduces the overhead of frequent individual reports while maintaining accuracy in dynamic wireless environments. This technique is particularly useful in advanced wireless systems like 5G and beyond, where multiple-input multiple-output (MIMO) and beamforming technologies are prevalent.
17. The method according to claim 15 , wherein the at least one combined channel state measurement is the channel state measurement for interference estimation.
This invention relates to wireless communication systems, specifically improving channel state measurements for interference estimation. In wireless networks, accurate channel state information (CSI) is critical for managing interference and optimizing data transmission. The invention addresses the challenge of obtaining reliable channel state measurements in the presence of interference, which can degrade performance and reduce data throughput. The method involves generating at least one combined channel state measurement by processing multiple individual channel state measurements. These measurements are obtained from signals received by a wireless device, such as a user equipment (UE) or base station, in a multi-user or multi-cell environment. The combined measurement is used to estimate interference levels, allowing the system to adjust transmission parameters dynamically. This helps mitigate interference and improve signal quality. The combined channel state measurement is derived by aggregating or averaging individual measurements, or by applying statistical techniques to enhance accuracy. The method may also involve filtering out noise or transient interference to refine the measurement. By using the combined measurement for interference estimation, the system can make more informed decisions about resource allocation, power control, and beamforming, leading to better overall network performance. This approach is particularly useful in dense wireless networks where interference is a significant challenge. By improving interference estimation, the method enhances reliability and efficiency in data transmission.
18. The method according to claim 15 , wherein the measurement resources allocated to the at least one of the at least two channel state measurements that is the channel state measurement for channel estimation are Channel State Information-Reference Symbol, CSI-RS, resources in the wireless communications network, and the measurement resources allocated to the at least one of the at least two channel state measurements that is the channel state measurements for interference estimation are Channel State Information-Interference Measurement, CSI-IM, resources in the wireless communications network.
This invention relates to wireless communications, specifically to methods for allocating measurement resources for channel state information (CSI) reporting in a wireless network. The problem addressed is the efficient allocation of resources for both channel estimation and interference estimation in wireless communications, ensuring accurate CSI feedback while minimizing resource overhead. The method involves performing at least two channel state measurements in a wireless network. One of these measurements is dedicated to channel estimation, while another is dedicated to interference estimation. For the channel estimation measurement, the allocated resources are Channel State Information-Reference Symbol (CSI-RS) resources. CSI-RS resources are reference signals specifically designed for estimating the channel conditions between a transmitter and a receiver. For the interference estimation measurement, the allocated resources are Channel State Information-Interference Measurement (CSI-IM) resources. CSI-IM resources are configured to measure interference levels in the network, allowing the receiver to distinguish between desired signal and interfering signals. By separately allocating CSI-RS and CSI-IM resources, the method ensures that channel and interference estimates are accurately obtained without mutual interference. This improves the reliability of CSI feedback, which is critical for techniques like beamforming, link adaptation, and resource scheduling in wireless networks. The method optimizes resource usage by dedicating specific resources to each type of measurement, enhancing overall network performance.
19. The method according to claim 15 , wherein the at least two channel state measurements are part of a same channel state measurement process.
A method for wireless communication involves measuring channel state information (CSI) to improve signal transmission quality in a multi-antenna system. The method addresses the challenge of accurately estimating channel conditions in dynamic environments where signal quality can degrade due to interference, multipath fading, or mobility. To solve this, the method performs at least two channel state measurements as part of a single, coordinated measurement process. These measurements are used to determine optimal transmission parameters, such as beamforming weights or precoding matrices, to enhance data throughput and reliability. The measurements may include signal strength, phase, or other channel characteristics, and they are processed together to provide a more accurate representation of the channel. By integrating multiple measurements within the same process, the method reduces latency and improves synchronization compared to separate measurements. This approach is particularly useful in systems like 5G or Wi-Fi, where real-time adaptation to channel conditions is critical for maintaining high-performance communication.
20. A network node for enabling a wireless device to determine channel state measurements in a wireless communications network, the network node is configured to: determine information indicating how to combine at least two channel state measurements into at least one combined channel state measurement in the wireless device, wherein the at least two channel state measurements are obtained by the wireless device on measurement resources allocated by the network node for the at least two channel state measurements, the at least two channel state measurements are used to calculate the at least one combined channel state measurement, and at least one of the at least two channel state measurements is a channel state measurement for channel estimation, and at least one of the at least two channel state measurements is a channel state measurement for interference estimation, wherein the determining comprises determining pre-coders and probability distributions for each of the at least one of the at least two channel state measurements that is the channel state measurement for interference estimation, and transmit the determined information to the wireless device in the wireless communications network.
This invention relates to wireless communications, specifically improving channel state measurements in a wireless network. The problem addressed is the need for accurate channel state information (CSI) to optimize data transmission between a network node and a wireless device. Accurate CSI helps in selecting appropriate transmission parameters, such as precoding matrices, to enhance signal quality and reduce interference. The invention describes a network node that assists a wireless device in combining multiple channel state measurements into a single, more reliable measurement. The network node allocates measurement resources for at least two channel state measurements, which the wireless device obtains. These measurements include at least one for channel estimation and at least one for interference estimation. The network node determines how to combine these measurements, including specifying precoders and probability distributions for the interference-related measurements. This information is then transmitted to the wireless device, enabling it to generate a combined channel state measurement that improves transmission efficiency and reliability. The solution enhances the accuracy of CSI by leveraging both channel and interference estimates, leading to better performance in dynamic wireless environments.
21. The network node according to claim 20 , further configured to receive one or more channel state measurement reports from the wireless device based on the at least one combined channel state measurement.
A network node in a wireless communication system is configured to improve channel state measurements for enhanced communication reliability. The node generates at least one combined channel state measurement by aggregating multiple channel state measurements from a wireless device, which may include measurements from different frequency bands, time intervals, or spatial layers. This aggregation helps mitigate measurement inaccuracies caused by fast-fading channels, interference, or mobility. The node is further configured to receive one or more channel state measurement reports from the wireless device, where these reports are based on the combined measurements. The wireless device may perform additional processing, such as filtering or averaging, before reporting the measurements to the network node. The combined measurements enable more accurate channel state information, improving link adaptation, beamforming, and resource allocation decisions. This approach is particularly useful in high-mobility scenarios or environments with dynamic interference patterns, where traditional single-measurement reporting may be insufficient. The network node may also adjust transmission parameters, such as modulation and coding schemes or beamforming weights, based on the reported combined measurements to optimize communication performance.
22. The network node according to claim 20 , wherein the at least one combined channel state measurement is the channel state measurement for interference estimation.
A network node in a wireless communication system is configured to perform channel state measurements to estimate interference levels. The node includes a receiver that obtains channel state information from one or more user devices or other network nodes. This information is used to generate combined channel state measurements, which are specifically applied for interference estimation. The combined measurements may involve aggregating or processing multiple individual channel state measurements to improve accuracy in assessing interference conditions. The node may further include processing circuitry to analyze the combined measurements and adjust transmission parameters, such as power levels or resource allocation, to mitigate interference. This approach enhances network performance by dynamically adapting to varying interference conditions, ensuring reliable communication in dense or congested environments. The solution addresses the challenge of accurately estimating and managing interference in wireless networks, particularly in scenarios with multiple interfering signals or dynamic channel conditions.
23. The network node according to claim 20 , wherein the measurement resources allocated to the at least one of the at least two channel state measurements that is the channel state measurement for channel estimation are Channel State Information-Reference Symbol, CSI-RS, resources in the wireless communications network, and the measurement resources allocated to the at least one of the at least two channel state measurements that is the channel state measurements for interference estimation are Channel State Information-Interference Measurement, CSI-IM, resources in the wireless communications network.
This invention relates to wireless communications networks, specifically improving channel state measurements for both channel estimation and interference estimation. The problem addressed is the need for accurate and efficient measurement of channel conditions and interference levels to optimize network performance. The solution involves a network node that allocates different types of measurement resources to distinct channel state measurements. For channel estimation, the network node uses Channel State Information-Reference Symbol (CSI-RS) resources, which are reference signals specifically designed to measure the quality of the communication channel between the network node and a user device. For interference estimation, the network node uses Channel State Information-Interference Measurement (CSI-IM) resources, which are dedicated resources that allow the user device to measure interference levels from neighboring cells or other sources. By separating these measurements, the network can more accurately assess both the direct channel conditions and the interference environment, leading to better resource allocation and improved overall network performance. This approach enhances the reliability and efficiency of wireless communications by providing more precise channel and interference information for transmission optimization.
24. The network node according to claim 20 , wherein the at least two channel state measurements are part of a same channel state measurement process.
A network node is configured to perform channel state measurements for wireless communication systems, particularly in scenarios where multiple measurements are taken as part of a single channel state measurement process. The node includes a processor and a memory storing instructions that, when executed, cause the processor to obtain at least two channel state measurements from a wireless device. These measurements are part of the same channel state measurement process, meaning they are collected simultaneously or in a coordinated manner to assess the same communication channel conditions. The node then processes these measurements to determine channel state information (CSI), which is used to optimize wireless communication parameters such as modulation, coding, and beamforming. The measurements may include signal strength, signal quality, or other channel characteristics. The node may also transmit control signals to the wireless device to request or configure these measurements, ensuring they are synchronized and relevant for accurate channel assessment. This approach improves communication reliability and efficiency by providing more precise channel state information for adaptive transmission techniques.
25. The network node according to claim 20 , further comprising a processor and a memory, wherein the memory is containing instructions executable by the processor.
A network node is disclosed for managing communication in a wireless network, particularly addressing challenges in resource allocation and interference mitigation. The node includes a processor and a memory storing executable instructions to perform specific functions. The processor is configured to determine a set of communication resources, such as time slots, frequency bands, or code sequences, for transmitting data to one or more user devices. It also evaluates interference levels from neighboring nodes or devices to optimize resource allocation. The node further adjusts transmission parameters, such as power levels or modulation schemes, based on the interference analysis to enhance signal quality and reduce collisions. Additionally, the processor may coordinate with other network nodes to synchronize resource usage and minimize interference across the network. The memory stores the instructions necessary for these operations, ensuring efficient and adaptive communication management. This approach improves network performance by dynamically allocating resources and mitigating interference, particularly in dense or high-traffic environments. The solution is applicable to various wireless technologies, including cellular, Wi-Fi, or IoT networks, where efficient resource management is critical.
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March 17, 2020
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